8490{#blank#}1{#/blank#}8940     7009{#blank#}2{#/blank#}7900      5千克{#blank#}3{#/blank#}4999克

4×9{#blank#}4{#/blank#}81÷9     30+9{#blank#}5{#/blank#}32÷4      40-5{#blank#}6{#/blank#}5×7

36÷4{#blank#}1{#/blank#}45÷5    4×7{#blank#}2{#/blank#}8×6-18    1千克{#blank#}3{#/blank#}1000克

56÷7{#blank#}4{#/blank#}2×3     54÷9{#blank#}5{#/blank#}56÷8     3900克{#blank#}6{#/blank#}4千克

24+35=           4×5=           35÷5=

18÷3=             3×4=           34-20=

48+11=           63+17=           7×8=

8÷2=               6×7=             96-47=

14+32=           5×6=              81÷9=

72÷8=            36-6=              75-63=

54÷6=            20÷4=             6×9=

3×7=             25÷5=              2×8=

68-2=             75-63=            72÷9=

15÷3=            2×3=              6×1=